Poison Ivy is depicted as one of the world's most prominent ecoterrorists. She is obsessed with plants, botany, and environmentalism. She uses toxins from plants and mind controlling pheromones for her criminal activities, which are usually aimed at protecting the natural environment. Fellow villain Harley Quinn is her recurring partner-in-crime and possibly her only human friend. She is best known as a villain of Batman and plays an important role in his rogues gallery and has proven to be one of his more powerful foes. Pamela Isley aka Poison Ivy has been portrayed as a love interest for Batman in some comics.